Toyota RAV4 manuals

Toyota Sienna Service Manual: DRL Relay Circuit

DESCRIPTION

The Multiplex network body ECU controls the DRL No.2 relay

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER

  1. Connect the intelligent tester to DLC3.
  2.  Turn the ignition switch ON and push the intelligent tester main switch ON.
  3.  Select the item below in the ACTIVE TEST and then check that the relay operates.

BODY NO.1:

BODY NO.1

2 INSPECT DRL NO.2 RELAY

INSPECT DRL NO.2 RELAY

  1. Inspect DRL No.2 Relay continuity.

Resistance

Resistance

3 CHECK HARNESS AND CONNECTOR (POWER SOURCE)

CHECK HARNESS AND CONNECTOR (POWER SOURCE)

  1. Disconnect the connector from the instrument panel junction block assembly.
  2.  Measure the voltage according to the value(s) in the table below.

Voltage

Voltage

4 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

  1. Reconnect the connector to the instrument panel junction block assembly.

INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

  1. Measure the voltage according to the value(s) in the table below.

Voltage

Voltage

Voltage

5 INSPECT RELAY (DRL NO.3, DRL NO.4)

INSPECT RELAY (DRL NO.3, DRL NO.4)

  1. Inspect DRL NO.4 Relay continuity.

Resistance

Resistance

  1. Inspect DRL NO.3 Relay continuity.

INSPECT RELAY (DRL NO.3, DRL NO.4)

Resistance

Resistance

6 INSPECT DAYTIME RUNNING LIGHT RESISTER

 INSPECT DAYTIME RUNNING LIGHT RESISTER

  1. Measure the resistance according to the value(s) in the table below.

Resistance

Resistance

REPAIR OR REPLACE HARNESS OR CONNECTOR

Headlight Relay Circuit
DESCRIPTION The Multiplex network body ECU controls HEAD relay when signal is received from headlight dimmer switch assembly. WIRING DIAGRAM INSPECTION PROCEDURE 1 PERFORM ACTIVE TEST BY IN ...

Front Fog Light Circuit
DESCRIPTION The Multiplex network body ECU controls FOG relay when signal is received from headlight dimmer switch assembly. WIRING DIAGRAM INSPECTION PROCEDURE 1 PERFORM ACTIVE TEST BY INT ...

Other materials:

Removal
1. Remove front wheel 2. Remove front wiper arm head cap Hint: (see page ww-3) 3. Remove fr wiper arm rh HINT: (See page WW-3) 4. Remove fr wiper arm lh HINT: (See page WW-3) 5. Remove cowl top ventilator louver subassembly Hint: (see page ww-3) 6. Remove windshield wiper motor & li ...

Back Sonar Sensor RH Circuit
DESCRIPTION An ultrasonic sensor consists of a sensor portion that transmits and receives ultrasonic waves and a preamplifier that amplifies them. The ultrasonic sensor outputs the ultrasonic waves and sends the received signals to the clearance warning ECU. WIRING DIAGRAM INSPECTION PR ...

Installation
1. INSTALL STEERING PAD  Support the steering pad with one hand as shown in the illustration.  Connect the 2 connectors to the steering pad. NOTICE: When handling the airbag connector, take care not to damage the airbag wire harness.  Connect the horn connector. ...

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